Subjective Type

Conceptual Questions How does a metal conduct heat?

Solution

In metals, some of the electrons (often one per atom) are not stuck to individual atoms but flow freely among the atoms When a metal is heated, its atoms gain energy and vibrate more vigorously that's why metals are such good conductors of heat.

SIMILAR QUESTIONS

Metals and Non - metals

Fill in the blanks: (a) Phosphorus is very _____ non-metal. (b) Metals are ____ conductors of heat and ____ . (c) Iron is ______ reactive than copper. (d) Metals react with acids to produce _____ gas.

Metals and Non - metals

A metal M which is one of the best conductor of heat and electricity used in making electric wires is found in the nature as sulphide ore, $$M_2S$$. Name the metal M.

Metals and Non - metals

There are 3 unknown metals- A, B and C. C displaces B from its oxide while with oxide of A, there is no reaction. Give the reactivity order of A, B and C.

Metals and Non - metals

True or False. Alnico can also be called as magnetic steel.

Metals and Non - metals

True or False. Aeroplanes are made from alloys of Iron.

Metals and Non - metals

True or False. Cars are made from steel which is an alloy of carbon and aluminium.

Metals and Non - metals

The most durable metal plating on iron to protect against corrosion is :

Metals and Non - metals

Name the following metals: A metal which is unaffected by dilute or concentrated acids.

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